Kiatcharoenpol, T. ., R. . Seeluang, and S. . Klongboonjit. “Applying Shainin’s Tools to Process Improvement for Reducing Cracking Defect of Sanitary Product ”. International Journal of Membrane Science and Technology, vol. 10, no. 3, July 2023, pp. 181-9, doi:10.15379/ijmst.v10i3.1506.